[all-commits] [llvm/llvm-project] 3754fc: [hwasan] Flush stderr/stdout in tests (#114083)

[Thurston Dang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3754fc1e9af38951aa00181c0e8110174d3f94fd
      https://github.com/llvm/llvm-project/commit/3754fc1e9af38951aa00181c0e8110174d3f94fd
  Author: Thurston Dang <thurston at google.com>
  Date:   2024-10-29 (Tue, 29 Oct 2024)

  Changed paths:
    M compiler-rt/test/hwasan/TestCases/many-threads-uaf.c
    M compiler-rt/test/hwasan/TestCases/mem-intrinsics.c
    M compiler-rt/test/hwasan/TestCases/use-after-free.c

  Log Message:
  -----------
  [hwasan] Flush stderr/stdout in tests (#114083)

The x86_64_lam_qemu buildbots started failing
(https://lab.llvm.org/buildbot/#/builders/139/builds/5462/steps/2/logs/stdio).
Based on the logs, it appears the HWASan check is correct but it did not
match the stderr/stdout output. This patch attempts to fix the issue by
flushing stderr/stdout as appropriate.



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